pathmax.h revision 98038
1/* Define PATH_MAX somehow. Requires sys/types.h. 2 Copyright (C) 1992, 1999, 2001 Free Software Foundation, Inc. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 2, or (at your option) 7 any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program; if not, write to the Free Software Foundation, 16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 17 18#ifndef _PATHMAX_H 19# define _PATHMAX_H 20 21# if HAVE_UNISTD_H 22# include <unistd.h> 23# endif 24 25/* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define 26 PATH_MAX but might cause redefinition warnings when sys/param.h is 27 later included (as on MORE/BSD 4.3). */ 28# if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__) 29# include <limits.h> 30# endif 31 32# ifndef _POSIX_PATH_MAX 33# define _POSIX_PATH_MAX 255 34# endif 35 36# if !defined PATH_MAX && defined _PC_PATH_MAX 37# define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 \ 38 : pathconf ("/", _PC_PATH_MAX)) 39# endif 40 41/* Don't include sys/param.h if it already has been. */ 42# if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN 43# include <sys/param.h> 44# endif 45 46# if !defined PATH_MAX && defined MAXPATHLEN 47# define PATH_MAX MAXPATHLEN 48# endif 49 50# ifndef PATH_MAX 51# define PATH_MAX _POSIX_PATH_MAX 52# endif 53 54#endif /* _PATHMAX_H */ 55